package com.debai.intercepter;

import com.debai.util.JwtUtil;
import com.debai.util.ThreadLocalUtil;
import com.sun.xml.bind.v2.runtime.unmarshaller.Intercepter;
import com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallingContext;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.xml.sax.SAXException;

import java.util.Map;

//@Component
public class LoginIntercepter /*implements HandlerInterceptor*/ {
//    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //令牌验证
        String token = request.getHeader("Authorization");
        //验证token
        try {
            Map<String, Object> claims = JwtUtil.parseToken(token);
            //把业务数据存储到ThreadLocal中
            ThreadLocalUtil.set(claims);
            //放行
            return true;
        } catch (Exception e) {
            //http响应状态码为401
            System.out.println(e);
            //不放行
            return false;
        }

    }

//    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        //清空ThreadLocal中的数据
        ThreadLocalUtil.remove();
    }

}
